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Finding the Fourth Proportional to 369,880.16, 554,329.76 and 189,958.33

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Solution

The fourth proportional to 369,880.16, 554,329.76 and 189,958.33 is: 284,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,880.16 : 554,329.76 = 189,958.33 : x
  2. Step 2: Convert to fraction form
    369,880.16/554,329.76 = 189,958.33/x
  3. Step 3: Cross multiply
    369,880.16x = 554,329.76 × 189,958.33
  4. Step 4: Simplify right side
    369,880.16x = 105,299,551,757.46
  5. Step 5: Solve for x
    x = 105,299,551,757.46/369,880.16
  6. Step 6: Final answer
    x = 284,685.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.